Based on the principle of a varied mass system, the non linear mathematical model of the crop mechanics for an axial threshing process was set up.
运用变质量系统的基本原理，建立轴流脱粒过程中谷物运动的非线性动力学模型。
2
It provides an effective approach to further and systematical study of free deformation mechanism and law in tube axial compressive precision forming process.
该系统为系统深入地研究管轴压精密成形过程中无模约束自由变形机理和成形规律提供了有效的手段。
3
This paper introduces Commutation torque ripple process of the axial blood pump of an artificial heart brushless DC motor.